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Perhamite On Fluellite & Wavellite

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PJM104225

Perhamite On Fluellite & Wavellite

Description Tabs

Description
Locality: 
Toms Phosphate Quarry, Kapunda, South Australia, Australia
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 4.9 × 2.6 cm
Description

The complete top of thisspecimen is covered with gemmy fluellite crystals, a number of small sprays of wavellite are growing out of the crevasses amongst the fluellite crystals. The edges of the fluellite crystals and the wavellite crystals are encrusted with small, white crystals of perhamite.

Mineral Data
What's on the rock

Perhamite

Formula: 
Ca3Al7.7Si3P4O23.5(OH)14.1·8H2O
Strunz: 
8.DO.20
Hardness: 
5.0
Streak: 
white
Type Locality: 
Dunton Gem Quarry, Newry, Oxford Co., Maine, USA

Fluellite

Formula: 
Al2(PO4)F2(OH)·7H2O
Strunz: 
8.DE.10
Crystal System: 
Orthorhombic
Hardness: 
3.0
Type Locality: 
Stenna Gwyn Mine (Stennagwyn Mine), Foxhole, St Stephen-in-Brannel, St Austell District, Cornwall, England, UK

Wavellite

Formula: 
Al3(PO4)2(OH,F)3·5H2O
Strunz: 
8.DC.50
Hardness: 
3.5 - 4.0
Streak: 
White.
Type Locality: 
High Down Quarry, Filleigh, North Devon, Devon, England, UK
Earthstones Australia

Seller Information

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Seller's terms and conditions

All goods must be paid for prior to shipping, all bids are binding.